class String

def parameterize(sep = '-')

# => Donald E. Knuth
<%= link_to(@person.name, person_path) %>

# => #
@person = Person.find(1)

end
end
"#{id}-#{name.parameterize}"
def to_param
class Person

Replaces special characters in a string so that it may be used as part of a 'pretty' URL. 
def parameterize(sep = '-')
  ActiveSupport::Inflector.parameterize(self, sep)
end